* {
    margin: 0;
    padding: 0;
    list-style: none;
}
body a {
    text-decoration: none;
}
.auto {
    width: 1440px;
    margin: 0 auto;
}
.head {
    height: 60px;
}

.show {
    height: 270px;
    /* background-color: green; */
    margin-top: 60px;
    margin-bottom: 150px;
}
.topic {
    margin-bottom: 150px;
    height: 619px;
    /* background-color: red; */
}
.about {
    position: relative;
    height: 360px;
    /* background-color: blue; */
}
.topic-2 {
    height: 450px;
    margin-top: 150px;
    margin-bottom: 174px;
}
.join {
    height: 300px;
    /* background-color: rgb(228, 187, 187); */
}
.footer {
    height: 269px;
    background-color: #161616 ;
}


.head .logo {
    float: left;
    width: 22px;
    padding-top: 15px;
    padding-left: 60px;
}
.head .nav  li {
    float: right;
    
}
.head .nav a {
    transition: all 0.3s;
}

.head .nav a:hover {
    color: lime;
    font-size: 20px;
}
.head .nav li:hover span {
    opacity: 1;
}
.head .nav span {
    display:block;
    width: 44px;
    height: 2px;
    background-color: #333;
    margin: 0 auto;
    opacity: 0;
}
.head .nav a {
    display: block;
    padding-top: 15px;
    padding-right: 78px;
    font-size: 16px;
    color: #161616;
    line-height: 30px;
}

.banner {
    position: relative;
    width: 1920px;
    height: 800px;
}
.banner .barimg {
    margin: 0 auto;
}
.banner  img{   
    display: block;
    width: 100%;
    height: 100%;
}
.banner .bara {
    position: absolute;
    left: 850px;
    bottom:10px;
    width: 400px;
    height: 20.8px;
    transition: all 1s;
}
.banner .bara a {
    display: inline-block;
    width: 25px;
    height: 25px;
    border: 2px solid #fff;
    margin: 0 4px;
    border-radius: 50%;
    border-color: hsla(0,0%,100%,.3);
    background: rgba(0,0,0,.4);
    transition: all 0.5s;
}
.banner .bara:hover {
    bottom: 35px;
}
.banner .bara a:hover {
    width: 50px;
    height: 50px;
    background: rgba(0, 255, 13, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}



.show li {
    float: left;
    width: 464px;
    height: 270px; 
    
}
.show .li1 {
    margin-right: 24px;
}
.show img{
    width: 100%;
    height: 100%;
   
}



.topic .tonav {
    width: 800px;
    margin: 0 auto;
    overflow: hidden;
}
.topic .tonav li {
    float: left;
}
.topic .tonav a {
    display: block;
    padding-left: 40px;
    padding-right: 40px;
    color: #161616;
    font-size: 18px;
}
.topic .tonav span {
    display: block;
    width: 33px;
    height: 2px;
    background-color: #333;
    margin: 0 auto;
    opacity: 0;
}
.topic  li:hover span {
    opacity: 1;
}


.topic .cheat li {
    float: left;
    width: 315px;
    height: 420px;
    margin-top: 60px;
    
}
.topic .cheat .c1 {
    padding-left: 60px;
}
.topic .cheat img {
    width: 100%;
    height: 100%;
}
.topic .cheat .s1 {
    /* float: left; */
    color: #161616;
    font-size: 20px;
}
.topic .cheat .s2 {
    float: right;
    color: #161616;
    font-size: 16px;
}
.topic .cheat .p2 {
    display: block;
   color: #929292;
   font-size: 16px;
   padding-top: 4px;
}
.topic .tonav a:hover {
    color: lime;
    font-size: 19px;
}


.about .absex img {
    width: 100%;
    height: 360px
}

.about .abword {
    position: absolute;
    top: 74px;
    left: 339px;
}
.about .abword .li1 {
    color: #161616 ;
    font-size: 24px;
}
.about .abword .li2 {
    color: #505050;
    font-size: 14px;
    margin-top: 20px;
    margin-bottom: 50px;
}
.about .abword .li3 input{
    width: 120px;
    height: 40px;
    border: none;
    background: #161616;
    color: #fff;
    transition: all 0.5s;
}
.about .abword .li3 input:hover {
    background-color: #FBF1EC;
    color: lime;
    width: 240px;
    height: 80px;
    border: 3px solid lime;
    font-size: 40px;
}


.topic-2 li{
    float: left;
    width: 450px;
    height: 450px;
    
}
.topic-2 .pleft {
    padding-left: 45px;
}

.topic-2 img {
    width: 100%;
    height: 100%;
}






.join {
    position: relative;
    background: #FBF1EC;
}
.join .joins {
    position: absolute;
    left: 30%;
    top: -20px;
}
.join ul {
    text-align: center;
}
.join .li1 {
    font-size: 35px;
    color: #161616;
}
.join .li2 input {
    width: 750px;
    height: 15px;
    margin-top: 43px;
    letter-spacing: -0.34px;
    border: none;
    border-bottom: 2px solid #D5D5D5;
    background: #FBF1EC;
    color: #333;
    text-align: center;
    transition: all 1s;
}
.join .li2 input:hover {
    height: 50px;
    background: lime;
    font-size: 25px;
    border: 30px solid #FFFFFF;
}
.join .li3 input{
    width: 120px;
    height: 40px;
    border: none;
    background: #161616;
    color: #fff;
    margin-top: 30px;
    margin-bottom: 44px;
    

}
.join .li4 {
   
    font-size: 14px;
    color: #777777 ;
   
}

.footer {
    color: #FFFFFF ;
    overflow: hidden;
}

.footer .ftr {
    width: 1100px;
    height: 132px;
    margin-top: 70px;
    margin-left: 408px;
}
.footer dl {
    float: left;
    margin-left: 70px;
}
.footer dt {
    padding-bottom: 18px;
    transition: all 0.3s;
}
.footer dd {
    font-size: 12px;
    opacity: 0.8;
    padding-top: 6px;
}
.footer dt:hover {
    color: lime;
    font-size: 22px;
}